Evaluation of V/Q Scintigraphy Under Consideration of PIOPED Criteria in Modified Version of Worsley and Alavi (31): Comparison Between SPECT and Planar Imaging (n = 83)
| PIOPED classification | SPECT | Planar imaging | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Embolism disproved | Embolism confirmed | Embolism disproved | Embolism confirmed | |||||||||||
| n | % | n | % | n | % | n | % | |||||||
| Normal | 13 | 100 | 0 | 0 | 20 | 80.0 | 5 | 20.0 | ||||||
| Very low probability | 16 | 94.1 | 1 | 5.9 | 9 | 69.2 | 4 | 30.8 | ||||||
| Low probability | 4 | 36.4 | 7 | 63.6 | 4 | 57.1 | 3 | 42.9 | ||||||
| Intermediate probability | 11 | 50.0 | 11 | 50.0 | 11 | 45.8 | 13 | 54.2 | ||||||
| High probability | 2 | 10.0 | 18 | 90.0 | 2 | 14.3 | 12 | 85.7 | ||||||
Results are classified according to final diagnosis made at consensus meeting—i.e., embolism confirmed or disproved. Absolute number of cases and respective percentages are given.